不同细菌栖居不同组织 细菌 组织 Corynebacterium diphtheriae Throat Streptococcus mutans Tooth surfaces Streptococcus salivarius Tongue surfaces Small intestine Escherichia coli epithelium Staphylococcus aureus Nasal membranes Staphylococcus epidermidis skin细菌 组织 Corynebacterium diphtheriae Throat Streptococcus mutans Tooth surfaces Streptococcus salivarius Tongue surfaces Escherichia coli Small intestine epithelium Staphylococcus aureus Nasal membranes Staphylococcus epidermidis Skin 不同细菌栖居不同组织